Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.
Microsoft is preparing a new Windows 11 update after recent KB issues, with KB5078127 spotted for 24H2 and 25H2 builds.
Windows updates are meant to improve system stability, but sometimes after installing them, Windows may roll them back the next time you restart your computer. You might even see an “Undoing changes ...
From flickering cameras to crashing widgets, find out if the new KB5074105 patch is safe for your system or if you should pause your next update.
A fresh wave of Windows 11 update trouble is making the rounds, and this one is about as disruptive as it gets: some PCs reportedly can’t boot after installing the latest January 2026 security update.
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